LONDON, ENGLAND - FEBRUARY 23: Lionel Messi of Barcelona scores a penalty during the UEFA Champions League round of 16 first leg match between Arsenal and Barcelona on February 23, 2016 in London, United Kingdom. (Photo by Paul Gilham/Getty Images)
LONDON, ENGLAND - FEBRUARY 23: Lionel Messi of Barcelona scores a penalty during the UEFA Champions League round of 16 first leg match between Arsenal and Barcelona on February 23, 2016 in London, United Kingdom. (Photo by Paul Gilham/Getty Images)